From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id F19E0A0032; Wed, 16 Mar 2022 20:44:26 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 90F8B410F3; Wed, 16 Mar 2022 20:44:26 +0100 (CET) Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) by mails.dpdk.org (Postfix) with ESMTP id 8316D410EC for ; Wed, 16 Mar 2022 20:44:25 +0100 (CET) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id 28A215C0223; Wed, 16 Mar 2022 15:44:25 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute5.internal (MEProxy); Wed, 16 Mar 2022 15:44:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= cc:cc:content-transfer-encoding:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm1; bh=0uaWs4GRmd4ynt sVXnRpEhtNTH7Zat1wZAmxl2ZaJYk=; b=RZgDT4tuQOEY2AOGbr9KoT1hXs/NNn ly1/6pXLM0+fqdPEqbscOd3Z0ttjLp4Ufby5+kNua/W0a4tnydE1V82ApbzriUPn xMi0qLcx1/Dw5uOTUYlrbw8jV7/1WdbQSxPQJFgWZJ9ctwq1QDgzYwsRP88d4d6G ap0lqjtA8vTPyyv8Ww+IMSY3a1qcvqEjnVhXQF/2LnQcvfVJlBVamaIv6EIvaPmO KKOgbflE3ffMuprdlyQ1apl3q9bTRxn3r8kcILyi4D1GV7i4WD1lwKu4RZIfRR9p ftEahHrGa+wxaCIfQPWDLyN0Xro8oqDKR95DmJZzO3w3hWpdkDacSuMQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm3; bh=0uaWs4GRmd4yntsVXnRpEhtNTH7Zat1wZAmxl2ZaJ Yk=; b=MfYtaKDEn5/mttTNMW5nyjPDaxjs3eWj6rUNeLxsppM16NFcpOBbO0Tz0 SRS1kKFUPy9ulXQY+iyNq7oGcK1asQsXy678pitFjLG8dG7VnNYupCk0/JgM27P6 Lq6CystxzITtpMZxyQ1cn15Ty9I8++xkFpYUNOhmxaUm28Jk3MA9HmtEEhqmnx0i 5dhODJr0MrnKfz8steNoBuKDPLruXltGtUuxotYx6w6jO0WBuMXDiiVCRqKjyM6o 9Tl6K5+rK+cGZV6piBiD2kqzsL1jgM7AT5GL1Or+ASO8oanSlPrFwyX3sFVkn8XR /n8QMCVQrCcs45lfCoz5dXmgUubfg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddrudefvddguddvhecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpefhvffufffkjghfggfgtgesthfuredttddtvdenucfhrhhomhepvfhhohhm rghsucfoohhnjhgrlhhonhcuoehthhhomhgrshesmhhonhhjrghlohhnrdhnvghtqeenuc ggtffrrghtthgvrhhnpedugefgvdefudfftdefgeelgffhueekgfffhfeujedtteeutdej ueeiiedvffegheenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfh hrohhmpehthhhomhgrshesmhhonhhjrghlohhnrdhnvght X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 16 Mar 2022 15:44:24 -0400 (EDT) From: Thomas Monjalon To: David Hunt Cc: dev@dpdk.org Subject: Re: [PATCH] lib/power: power pmd errata with RTM and gcc-9 Date: Wed, 16 Mar 2022 20:44:23 +0100 Message-ID: <4149792.kQq0lBPeGt@thomas> In-Reply-To: <20220309132221.18210-1-david.hunt@intel.com> References: <20220309132221.18210-1-david.hunt@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org 09/03/2022 14:22, David Hunt: > An errata exists where users may see reduced power savings when using > PMD Power Management. This issue occurs when compiling DPDK applications > with gcc-9 on platforms with TSX enabled. In rte_power_monitor_multi(), > the function may return without successfully starting the RTM > transaction (the _xbegin() fails). > > Signed-off-by: David Hunt Applied, thanks. Is there a way to fix it or should we keep this errata forever?